@ARTICLE{pdc-PAMI2023,
  author={Su, Zhuo and Zhang, Jiehua and Wang, Longguang and Zhang, Hua and Liu, Zhen and Pietikäinen, Matti and Liu, Li},
  journal={IEEE Transactions on Pattern Analysis and Machine Intelligence}, 
  title={Lightweight Pixel Difference Networks for Efficient Visual Representation Learning}, 
  year={2023},
  volume={45},
  number={12},
  pages={14956-14974},
  keywords={Image edge detection;Feature extraction;Computational modeling;Biological system modeling;Task analysis;Quantization (signal);Object recognition;Binary neural networks;convolutional neural networks;edge detection;efficient representation learning;facial recognition;image classification},
  doi={10.1109/TPAMI.2023.3300513}
}

@inproceedings{su2021pdc,
  title={Pixel Difference Networks for Efficient Edge Detection},
  author={Su, Zhuo and Liu, Wenzhe and Yu, Zitong and Hu, Dewen and Liao, Qing and Tian, Qi and Pietikainen, Matti and Liu, Li},
  booktitle={Proceedings of the IEEE/CVF International Conference on Computer Vision},
  pages={5117--5127},
  year={2021}
}

@inproceedings{su2019bird,
  title={BIRD: Learning Binary and Illumination Robust Descriptor for Face Recognition.},
  author={Su, Zhuo and Pietik{\"a}inen, Matti and Liu, Li},
  booktitle={British Machine Vision Conference},
  pages={102},
  year={2019}
}
